Fleshy black rot leads to death
Causes:
The first thing Huahua wants to say is the problem that most flower friends who raise meat will encounter - meat black rot. Black rot is mainly caused by excessive watering, and the soil is relatively sticky and airtight, making the roots unable to breathe p>
(author: Lin Ziren, source: Yuhua Valley)
Solution:
1. After finding that the meat has been black rotten, take off the basin in time, clean the root system, and cut off all the rotten parts with a sterilized knife p>
(author: Lin Ziren, source: Yuhua Valley)
2. After cutting off the rotten roots and stems, apply carbendazim on the wound, and then put it in a cool and ventilated place to air for 1-2 days p>
3. When re loading the basin, do not only use peat soil, but also mix perlite, vermiculite or coarse sand to ensure that the soil is loose and breathable p>
4. Put the meat back into the pot. Don't water it for the first 2 weeks. Wait until it takes root and then water it for maintenance p>
(author: Lin Ziren, source: Yuhua Valley)
How to prevent black rot of meat:
1. In hot summer weather, we must pay attention to cooling and heat dissipation of meat, especially after just watering, we must avoid exposure to the sun p>
2. When planting fleshy soil, large particles such as perlite, vermiculite or coarse sand must be added to make the fleshy roots breathe p>
Rose diseases and insect pests cause death
Causes:
Summer is the high incidence period of rose diseases and insect pests. If the plants are always airtight, or the water is contaminated on the leaves when watering, it will lead to various diseases and insect pests. What leaf spot, red spider and powdery mildew came to the door one after another. It's impossible to prevent p>
Solution:
1. If the rose is found to have powdery mildew, it can be sprayed with 0.3% stone sulfur mixture and flower protection god. It can be cured by spraying once a week, about 2-3 times. Be sure to wet all the white powder on the leaves when spraying p>
2. If you find a red spider on a rose plant, isolate the rose quickly, because the red spider breeds very fast. It is best to use more than two kinds of insecticides alternately, such as pyridaben and avitriazophos, which can be mixed with water according to the instructions, so as to prevent the use of a single drug and make spider red produce antibodies p>
How to prevent rose diseases and insect pests:
1. In summer, we must ventilate the rose and trim the flowering branches to ensure the ventilation of the plant p>
2. On the ground where the rose pot is placed, 15% quicklime or Carbendazim and potassium permanganate solution should be often sprayed to achieve the purpose of sterilization and disinfection p>
3. In order to prevent rose powdery mildew at ordinary times, mancozeb can also be sprayed for prevention p>
Death caused by exposure to the sun
Cause of disease:
Although summer is the vigorous growth period of green pineapple, we should pay attention to shade in hot weather. If we expose the green pineapple to the hot sun, it is easy to die p>
Solution:
1. Check the condition of green pineapple. If you find that many leaves are sunburned, you should cut them off quickly, because the sunburned leaves can't recover at all. After cutting them off, you can reduce nutritional consumption p>
2. After being watered in a cool place for a while, the green rose can be cured quickly p>
How to prevent green pineapple sunburn:
1. Due to the high temperature in summer, the leaves of green pineapple are easy to burn, so it's best to put them on the East and West platforms, which can not only meet the growth needs of green pineapple, but also avoid sunburn p>
2. Usually pay attention to opening the window for ventilation, because the humid and muggy environment can easily lead to the breeding of bacteria in green pineapple. It is best to open the window frequently during the day for ventilation p>
Hydrangea anthracnose causes death
Cause of disease:
Hydrangea is particularly vulnerable to bacteria during the growth period, among which anthrax is the most serious, especially in rainy and humid weather p>
Solution:
1. If anthrax is found on the leaves of Hydrangea, the infected leaves can be cut off and destroyed in time. If the diseased plants are serious, all the ground parts can be cut off in order to grow new branches again p>
2. In the early stage of anthrax, 75% chlorothalonil 700 times solution or 70% methyltobuzin 1500 times solution can be sprayed p>
How to prevent Hydrangea anthracnose:
1. Usually pay attention to ventilation. Don't let Hydrangea stay in a muggy environment for a long time to reduce the attack of anthrax p>
2. When watering normally, be careful not to get on the hydrangea leaf. If you accidentally get on the leaf, you'd better hurry to dry it and don't let the water drop stay on the leaf p>